Tag Archives: what are ribosomes made of

Ribosomes Palade discovered ribosomes in 1953 in animals. Robinson and Brown discovered ribosomes in plant cells. Ribosomes are non-membranous bounded structures. Ribosomes are the sites where the cell synthesizes proteins according to genetic instructions. A bacterial cell may have a few thousand ribosomes. But a human liver cell has a few million ribosomes. Cells that have high protein synthesis have ...